Move isTargetAttributeCSSProperty to SVGAnimateElement

Move isTargetAttributeCSSProperty to SVGAnimateElement

SVGAnimateElement is the only user. Move it and make it a free function.

BUG=641437
Committed: https://crrev.com/079821affa2e8e946e45f607c4cbc26458cacd68
Cr-Commit-Position: refs/heads/master@{#423817}

[fs, 2016-10-06 21:23:25]

The CQ bit was checked by fs@opera.com to run a CQ dry run

[commit-bot: I haz the power, 2016-10-06 21:24:00]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[fs, 2016-10-06 22:01:22]

fs@opera.com changed reviewers:
+ pdr@chromium.org

[pdr., 2016-10-06 22:03:37]

On 2016/10/06 at 22:01:23, fs wrote:
> 

LGTM

[commit-bot: I haz the power, 2016-10-06 23:33:14]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-10-06 23:33:15]

Dry run: This issue passed the CQ dry run.

[fs, 2016-10-07 07:54:14]

The CQ bit was checked by fs@opera.com

[commit-bot: I haz the power, 2016-10-07 07:54:29]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-07 07:59:56]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-07 08:02:54]

Description was changed from

==========
Move isTargetAttributeCSSProperty to SVGAnimateElement

SVGAnimateElement is the only user. Move it and make it a free function.

BUG=641437
==========

to

==========
Move isTargetAttributeCSSProperty to SVGAnimateElement

SVGAnimateElement is the only user. Move it and make it a free function.

BUG=641437

Committed: https://crrev.com/079821affa2e8e946e45f607c4cbc26458cacd68
Cr-Commit-Position: refs/heads/master@{#423817}
==========

[commit-bot: I haz the power, 2016-10-07 08:02:54]

Patchset 1 (id:??) landed as
https://crrev.com/079821affa2e8e946e45f607c4cbc26458cacd68
Cr-Commit-Position: refs/heads/master@{#423817}